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How To Repair Stripped Cylinder Stud Holes Engine Case Motorized Bicycles
Install helicoil thread repair kit.
M8 x 1.25 Helicoil/Thread Repair Kit #affilliate links
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eBay- ebay.us/RFKSrI
Buy Belleville Washer & 8mm Hex Nuts
hughesmotorized.com/upgraded-...